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Methods of Work Scribing ac cura te kerf lines with mac Clamp scrap to mitergauge fence, and cut off end. hini㶀 edited and drawn by Jim Richey t's dye With saw unplugged, scratch line through dye with sharp edge. That characteristic, combined with a vacuum attachment, makes for very clean sanding and long abrasive life. The big disadvantage of a drum is that any hesitation in the feed will put ripples in a flat surface. The table on this tool makes it easy to slide the work across at a controlled, uniform rate and avoids the ripples. Construction is straightforward. I used %-in. plywood for the Dry layout dye I have improved the speed and accuracy of my tablesaw cuts by scribing precise, easy-to-read cut lines on the throat plate. To make the lines, apply machinist's layout dye to a small area of the plate, and let it dry. Clamp a piece of scrap to the miter gauge, and cut it off. Using the freshly cut edge of the scrap as a guide, lightly scribe a line in the dye. Repeat this operation on the right side of the blade to give two lines. The dye makes the lines stand out, and it can be removed with alcohol and the process repeated when the blade is changed. -Gladden Griggs, South Bend, Ind. Double-h ead ed combination square won't slip base and covered the tables with 1/4-in. Masonite. Drum-height adjustment is provided by a hinged table under the motor. I use J-weight resin-bonded, resin-coated abrasive cloth on a Singley drum (Singley Specialty Co. Inc., P.O. Box 5087, Greensboro, N.C. 27403). The 3x3 drum I use has a 1/2-in. bore, which will fit common motor shafts. For work that has been planed, I start with 180-grit sandpaper and follow with 320-grit. -Eugene C Hise, Oak Ridge, Tenn. A better dove tail㶀땸 hise g c Grind both sides of chisel to form sharp edges. Make edge slope less than dovetail angle. l Narrow end fits corners of dovetails. Ordinary chisels bought for the purpose of chopping out dovetails are beveled on the top. This bevel, however, is really more Add second head to standard combination square when scoring. I added a second head to my combination square. By bringing this second head to bear against the parallel edges of a board, the possibility of slippage is reduced when I'm using the square as a marking guide or when scoring with a lot of pressure. -Leonard H Feldberg, Chestnut Ridge, NY D rum -san din g tool handles s Singley drum sander mall Masonite top work of a chamfer that leaves a flat of about 1/16 in. or so, which prevents pushing the chisels completely into acute corners. To correct this problem, grind both sides of a square-edged chisel across to a sharp cutting edge. Select an angle slightly less than your usual dovetail angle to allow the tool to trim right into the corner of the tails. -Percy W T rail er ball mak Quick tip: To soak a hardened paintbrush, insert the bristles into a sandwich-sized freezer bag. Pour in a few spoonfuls of solvent, and close the bag around the ferrule with a rubber band. Stand the bagged brush in water up to the ferrule. This will squeeze out the air and ensure the solvent wets the whole brush. -Don Stewart, Bellevue, Wash. es a mac Drill steel plate, and let into machine frame. hin Height-adjustment bolt Sanding small pieces with an orbital or belt sander is a chore because there is no easy way to hold the pieces while sanding. So when I had to sand lots of little slats for a bed project, I was inspired to build this tool. I simply slide the workpiece across the sander's table. It sands narrow edges as well as broad flats and does not round over the corners, unless you want them rounded. One of the advantages of a drum is that it contacts the work for only about 100 and has the remaining 3500 to unload the dust. 20 Fine Woodworking Weld on handle. Dolly has heavy-duty casters. Many of the techniques for making machine tools portable involve putting wheels at one end, flxed legs at the other end and installing handles to lift and push the tool like a wheelbarrow. Here's a variation that came to me while watching boats on trailers being moved around in a boatyard with very little effort. First build the tool base with heavy-duty casters on one end e mover Push down to lever up legs. Blandford, StratJord-upon-Avon, England